Home / 31,577.04-47,365.56-15,999.12

Finding the Fourth Proportional to 31,577.04, 47,365.56 and 15,999.12

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Solution

The fourth proportional to 31,577.04, 47,365.56 and 15,999.12 is: 23,998.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,577.04 : 47,365.56 = 15,999.12 : x
  2. Step 2: Convert to fraction form
    31,577.04/47,365.56 = 15,999.12/x
  3. Step 3: Cross multiply
    31,577.04x = 47,365.56 × 15,999.12
  4. Step 4: Simplify right side
    31,577.04x = 757,807,278.31
  5. Step 5: Solve for x
    x = 757,807,278.31/31,577.04
  6. Step 6: Final answer
    x = 23,998.68

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.